Home / 27,485.28-41,172.96-12,673.92

Finding the Fourth Proportional to 27,485.28, 41,172.96 and 12,673.92

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Solution

The fourth proportional to 27,485.28, 41,172.96 and 12,673.92 is: 18,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.28 : 41,172.96 = 12,673.92 : x
  2. Step 2: Convert to fraction form
    27,485.28/41,172.96 = 12,673.92/x
  3. Step 3: Cross multiply
    27,485.28x = 41,172.96 × 12,673.92
  4. Step 4: Simplify right side
    27,485.28x = 521,822,801.20
  5. Step 5: Solve for x
    x = 521,822,801.20/27,485.28
  6. Step 6: Final answer
    x = 18,985.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.